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Title: Copy of the receiver and alarm call of Schilling's electric [Go to resource]
Description: Copy of the receiver and alarm call of Schilling's electric telegraph, 1830 (the original was exhibited in the Loan Collection of Scientific Apparatus 1876, by the Imperial Academy of Science St Petersburgh), E.15 a to c - 1878. Vol.6 p.276, S.L.R. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1877-341 Go to resource More Like this...
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